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[memory, vk] TEST: Tiled GPU optimization try #1

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This commit is contained in:
CamilleLaVey 2025-11-14 01:32:02 -04:00
parent 9085ff1229
commit ee5565077c
11 changed files with 343 additions and 39 deletions
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54
src/common/settings.h
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@ -560,6 +560,60 @@ struct Values {
false,
&sample_shading};
#ifdef ANDROID
// Shader Float Controls (Android only) - Eden Veil / Extensions
// Force enable VK_KHR_shader_float_controls even if driver has known issues
// Allows fine-tuning float behavior to match Switch/Maxwell or optimize performance
SwitchableSetting<bool> shader_float_controls_force_enable{linkage,
false,
"shader_float_controls_force_enable",
Category::RendererExtensions,
Specialization::Paired};
// Individual float behavior controls (visible only when force_enable is true)
// Multiple can be active simultaneously EXCEPT FTZ and DenormPreserve (mutually exclusive)
//
// Recommended configurations:
// Switch-native: FTZ=ON, RTE=ON, SignedZero=ON (matches Maxwell behavior)
// Performance: FTZ=ON only (fastest)
// Accuracy: DenormPreserve=ON, RTE=ON, SignedZero=ON (slowest, highest precision)
SwitchableSetting<bool> shader_float_ftz{linkage,
false,
"shader_float_ftz",
Category::RendererExtensions,
Specialization::Default,
true,
false,
&shader_float_controls_force_enable};
SwitchableSetting<bool> shader_float_denorm_preserve{linkage,
false,
"shader_float_denorm_preserve",
Category::RendererExtensions,
Specialization::Default,
true,
false,
&shader_float_controls_force_enable};
SwitchableSetting<bool> shader_float_rte{linkage,
false,
"shader_float_rte",
Category::RendererExtensions,
Specialization::Default,
true,
false,
&shader_float_controls_force_enable};
SwitchableSetting<bool> shader_float_signed_zero_inf_nan{linkage,
false,
"shader_float_signed_zero_inf_nan",
Category::RendererExtensions,
Specialization::Default,
true,
false,
&shader_float_controls_force_enable};
#endif
Setting<bool> renderer_debug{linkage, false, "debug", Category::RendererDebug};
Setting<bool> renderer_shader_feedback{linkage, false, "shader_feedback",
Category::RendererDebug};

10
src/common/settings_enums.h
View file

@ -152,6 +152,16 @@ ENUM(SpirvOptimizeMode, Never, OnLoad, Always);
ENUM(GpuOverclock, Low, Medium, High)
ENUM(TemperatureUnits, Celsius, Fahrenheit)
// Shader Float Controls behavior modes
// These control how floating-point denormals and special values are handled in shaders
ENUM(ShaderFloatBehavior,
DriverDefault, // Let driver choose (safest, may not match Switch behavior)
SwitchNative, // Emulate Switch/Maxwell behavior (FTZ + RTE + SignedZero)
FlushToZero, // FTZ only - flush denorms to zero (fastest, some precision loss)
PreserveDenorms, // Preserve denorms (slowest, highest precision)
RoundToEven, // RTE rounding mode (IEEE 754 compliant)
SignedZeroInfNan); // Preserve signed zero, inf, nan (accuracy for edge cases)
template <typename Type>
inline std::string_view CanonicalizeEnum(Type id) {
const auto group = EnumMetadata<Type>::Canonicalizations();